Full Stack Development Intern Jobs in Port Chester, NY

Location: New York (Office)

Onsite | Full-time

Compensation: Competitive

Our client is a high-performance technology development firm responsible for building and operating the foundational infrastructure behind the world’s most active digital asset launchpads. The systems managed by this organization are defined by ultra-low latency, high throughput, and constant high-concurrency load. This is a mission-critical environment where technical precision is paramount, and the impact of every deployment is immediate.

The organization is seeking an exceptional Junior Full Stack Engineer to join an elite team of builders. This role offers the opportunity to work on production systems operating at massive scale, providing hands-on responsibility and a rapid feedback loop. The team is composed of high-caliber engineers who value clarity of thought, code quality, and execution speed. This position is ideal for an early-career engineer who is intellectually rigorous, possesses high agency, and is eager to solve ambiguous, technically challenging problems from first principles.

Key Responsibilities

• Product Iteration: Build, ship, and iterate on production features reaching hundreds of thousands of active users globally.
• Full Stack Development: Work across the entire stack—from backend services and complex data pipelines to high-performance frontend interfaces.
• Systems Design: Learn to design for performance, reliability, and scalability by managing systems under intense, real-world load.
• Rapid Prototyping: Prototype new features quickly, testing ideas with real users and refining implementations based on data-driven insights.
• Technical Problem Solving: Tackle ambiguous challenges and reason from first principles with direct guidance from highly experienced senior engineers.
• End-to-End Ownership: Own features through the entire lifecycle, from initial conceptualization and implementation to deployment, monitoring, and further iteration.
• Collaborative Execution: Work within a small, high-calibre team where execution speed and technical excellence are the primary drivers.

Interview Process

1. Recruiter / HR Call: Initial screening to discuss background, motivations, and cultural alignment.
2. Technical Interview: A deep dive into engineering fundamentals, full stack proficiency, and problem-solving capabilities.
3. Final Interview: A comprehensive wrap-up session focusing on role expectations, high-level strategy, and compensation.

Requirements

• Foundation: An exceptional early-career engineer with a strong foundation in computer science and the ability to ramp up quickly on complex, high-scale codebases.
• Proven Ability: Academic background from a top-tier university or equivalent demonstrated ability through competitive programming, Olympiads, significant open-source contributions, or substantial personal projects.
• Technical Stack: Proficiency across the modern web stack, with hands-on experience in TypeScript, React, Next.js, and Node.js (or adjacent high-performance frameworks).
• Analytical Mindset: Curious and intellectually rigorous, with a deep desire to understand the underlying mechanics of how systems function.
• Problem Solving: A strong ability to break down ambiguous problems and iterate toward solid, scalable solutions.
• Agency & Ownership: A high-agency, ownership-oriented professional eager to take responsibility for features while remaining hungry to learn from exceptional peers.
• Work Style: Comfort with an intense, fast-paced, and unconventional work schedule. Our client operates primarily in-person, and the environment is designed for those who thrive under high expectations and immediate impact.

Benefits

• Ownership & Autonomy: Unmatched levels of ownership over technical decisions and feature direction.
• Scale Exposure: Direct exposure to systems operating at the absolute edge of crypto and financial technology scale.
• Rapid Growth: The ability to ship code fast and witness real-world impact immediately, accelerating professional development.
• Elite Peer Group: Opportunity to learn from and collaborate with a team of highly experienced, mission-driven engineers.
• Compensation: Competitive package consisting of a Base Salary plus Equity/Tokens.

Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search.

Commitment to Equality and Accessibility:

At MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing human-resources@mlabs.city.

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